Biologist Niall McCann travels the world to encounter some of the world's most charismatic, formidable and dangerous animals- and in so doing uncovers the background story of human-animal conflict. In Season Two, Niall helps the Gorilla Doctors heal sick or injured Mountain Gorillas in Uganda, investigates tales of giant prehistoric fish in Louisiana's bayous, collars and tracks rare tree-climbing Lions in Uganda, joins a group of gov't sanctioned snake wranglers- dealing with Florida's Python Invasion; in Africa, he visits communities terrorized by giant crocodile attacks and works with local wildlife authorities to re-locate the crocodiles far from human settlement and Niall explores Venezuela's venomous creatures and the communities that must live with them each day.